45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 4140-01-619-7707
NSN 5965-01-545-4770
NSN 5915-00-900-5481
NSN 6610-00-720-8775
NSN 6685-00-944-8920
NSN 6320-00-681-1324
NSN 6150-00-275-4601
NSN 5895-00-286-3788
NSN 6145-00-719-7395
NSN 5975-00-153-0050
NSN 6620-01-108-5824
NSN 6150-01-232-5197